A simple random sample of 14 students on a large university campus is asked to complete a survey. One of the questions on the survey asks for the number of credit hours for which they are currently enrolled. The results of the survey are shown. 12 , 9 , 13 , 15 , 12 , 16 , 19 , 13 , 12 , 12 , 16 , 12 , 14 , 6 What is the median number of credit hours for this sample?
Arrange the 14 values from least to greatest. Since there are an even number of values, the median is the average of the 7th and 8th values, which are 12 and 13: (12 + 13) ÷ 2 = 12.5. The median is 12.5 credit hours.
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